Ad bumper



FIG. 1 shows a perspective view of the ad bumper.

FIG. 2 shows a right side view of the design.

FIG. 3 shows a left side view of the design with the end cap removed.

FIG. 4 shows a top plan view of the device.

FIG. 5 shows a perspective view of the device with a message inserted in broken line.

FIG. 6 shows a front view of the device.

FIG. 7 shows a bottom view of the device; and,

FIG. 8 shows a rear view of the device.

The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an ad bumper, as shown and described. 